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Vulnerability details: VCID-23c5-y72c-8fcg
Vulnerability ID VCID-23c5-y72c-8fcg
Aliases CVE-2022-37436
Summary Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose, they will not be interpreted by the client.
Status Published
Exploitability 0.5
Weighted Severity 4.8
Risk 2.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-113 Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-37436.json
epss 0.00353 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00353 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00353 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00492 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00492 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00492 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00492 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00492 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00492 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00492 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00492 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00492 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00492 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00492 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00492 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
epss 0.00506 https://api.first.org/data/v1/epss?cve=CVE-2022-37436
cvssv3.1 7.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.3 https://httpd.apache.org/security/vulnerabilities_24.html
ssvc Track https://httpd.apache.org/security/vulnerabilities_24.html
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2022-37436
archlinux Unknown https://security.archlinux.org/AVG-2824
cvssv3.1 5.3 https://security.gentoo.org/glsa/202309-01
ssvc Track https://security.gentoo.org/glsa/202309-01
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-37436.json
https://api.first.org/data/v1/epss?cve=CVE-2022-37436
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-20001
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-36760
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-37436
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25690
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-27522
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://httpd.apache.org/security/vulnerabilities_24.html
https://security.gentoo.org/glsa/202309-01
2161773 https://bugzilla.redhat.com/show_bug.cgi?id=2161773
AVG-2824 https://security.archlinux.org/AVG-2824
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
CVE-2022-37436 https://httpd.apache.org/security/json/CVE-2022-37436.json
CVE-2022-37436 https://nvd.nist.gov/vuln/detail/CVE-2022-37436
RHSA-2023:0852 https://access.redhat.com/errata/RHSA-2023:0852
RHSA-2023:0970 https://access.redhat.com/errata/RHSA-2023:0970
RHSA-2023:4628 https://access.redhat.com/errata/RHSA-2023:4628
RHSA-2023:4629 https://access.redhat.com/errata/RHSA-2023:4629
USN-5839-1 https://usn.ubuntu.com/5839-1/
USN-5839-2 https://usn.ubuntu.com/5839-2/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-37436.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://httpd.apache.org/security/vulnerabilities_24.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-04-04T18:06:04Z/ Found at https://httpd.apache.org/security/vulnerabilities_24.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2022-37436
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://security.gentoo.org/glsa/202309-01
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-04-04T18:06:04Z/ Found at https://security.gentoo.org/glsa/202309-01
Exploit Prediction Scoring System (EPSS)
Percentile 0.57161
EPSS Score 0.00353
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:29:09.587643+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2022-37436.json 37.0.0